/* 动态改变进度条的数据 */ static void change_progress( void *arg ) { char str[15]; int i, max = 100; LCUI_Widget *label; LCUI_Widget *widget; /* 创建一个label部件 */ widget = (LCUI_Widget *)arg; label = Widget_New("label"); /* 放到进度条里 */ Widget_Container_Add( widget, label ); /* 并且居中 */ Widget_SetAlign( label, ALIGN_MIDDLE_CENTER, Pos(0,0) ); /* 显示它 */ Widget_Show( label ); /* 设置最大值 */ ProgressBar_SetMaxValue(widget, max); for( i=0; i<max; i+=rand()%5 ) { /* 设置当前值 */ ProgressBar_SetValue(widget, i); /* 转换成字符串 */ sprintf( str, "%d%%", (int)(i*100.0/max) ); /* 设置显示的文本 */ Label_Text( label, str ); /* 暂停0.1秒 */ LCUI_MSleep(100); } ProgressBar_SetValue( widget, max ); Label_Text( label, "100%" ); LCUIThread_Exit(NULL); }
/** 设备处理线程 */ static void DeviceThread( void *arg ) { DeviceData *data_ptr; int n, i, timeout_count = 0; is_running = TRUE; while( is_running ) { LCUIMutex_Lock( &list_mutex ); n = LinkedList_GetTotal( &dev_list ); for( i=0; i<n; ++i ) { data_ptr = (DeviceData*)LinkedList_Get( &dev_list ); if( !data_ptr || !data_ptr->proc ) { continue; } if( data_ptr->proc() ) { ++timeout_count; } } LCUIMutex_Unlock( &list_mutex ); if( timeout_count > 20 ) { LCUI_MSleep( 10 ); timeout_count = 0; } LCUI_MSleep( 5 ); } LCUIThread_Exit(NULL); }
/** 处理列表中的设备的数据 */ static void proc_dev_list( void *arg ) { LCUI_Queue *dev_list; dev_func_data *data_ptr; int total, i, timeout_count = 0; dev_list = (LCUI_Queue *)arg; while( LCUI_Active() ) { Queue_Lock( dev_list ); total = Queue_GetTotal( dev_list ); for(i=0; i<total; ++i) { data_ptr = (dev_func_data*)Queue_Get( dev_list, i ); if( !data_ptr || !data_ptr->proc_func ) { continue; } if( data_ptr->proc_func() ) { ++timeout_count; } } Queue_Unlock( dev_list ); if( timeout_count > 20 ) { LCUI_MSleep( 10 ); timeout_count = 0; } LCUI_MSleep( 5 ); } LCUIThread_Exit(NULL); }
/** LCUI的图形显示处理线程 */ static void LCUIDisplay_Thread( void *unused ) { while( LCUI_IsActive() && display.is_working ) { LCUICursor_UpdatePos(); /* 更新鼠标位置 */ LCUIWidget_StepTask(); /* 处理所有部件任务 */ LCUIMutex_Lock( &display.mutex ); LCUIDisplay_Update(); LCUIMutex_Unlock( &display.mutex ); /* 让本帧停留一段时间 */ FrameControl_Remain( display.fc_ctx ); } LCUIThread_Exit(NULL); }
static void LCUIWorker_Thread( void *arg ) { LCUI_Worker worker = arg; while( worker->active ) { if( LCUIWorker_RunTask( worker ) ) { continue; } if( worker->active ) { LCUICond_Wait( &worker->cond, &worker->mutex ); } } LCUIThread_Exit( NULL ); }
static void thread(void *arg) { LCUI_Widget *widget, *label; widget = (LCUI_Widget*)arg; label = Widget_New( "label" ); Widget_Container_Add( widget, label ); Widget_SetAlign( label, ALIGN_MIDDLE_CENTER, Pos(0,0) ); Widget_Show( label ); while(LCUI_Active()) { Label_Text( label, "DOCK_TYPE_TOP" ); Widget_SetDock( widget, DOCK_TYPE_TOP ); Widget_SetSize( widget, "120px", "120px" ); /* 还原尺寸 */ LCUI_Sleep(1); Label_Text( label, "DOCK_TYPE_LEFT" ); Widget_SetDock( widget, DOCK_TYPE_LEFT ); Widget_SetSize( widget, "120px", "120px" ); LCUI_Sleep(1); Label_Text( label, "DOCK_TYPE_RIGHT" ); Widget_SetDock( widget, DOCK_TYPE_RIGHT ); Widget_SetSize( widget, "120px", "120px" ); LCUI_Sleep(1); Label_Text( label, "DOCK_TYPE_BOTTOM" ); Widget_SetDock( widget, DOCK_TYPE_BOTTOM ); Widget_SetSize( widget, "120px", "120px" ); LCUI_Sleep(1); Label_Text( label, "DOCK_TYPE_FILL" ); Widget_SetDock( widget, DOCK_TYPE_FILL ); Widget_SetSize( widget, "120px", "120px" ); LCUI_Sleep(1); Label_Text( label, "DOCK_TYPE_NONE" ); Widget_SetDock( widget, DOCK_TYPE_NONE ); Widget_SetSize( widget, "120px", "120px" ); LCUI_Sleep(1); } LCUIThread_Exit(NULL); }
/** 定时器线程,用于处理列表中各个定时器 */ static void TimerThread( void *arg ) { int i, n; long int n_ms; LCUI_Func func_data; LCUI_Queue *timer_list; timer_data *timer = NULL; int64_t lost_ms; timer_list = (LCUI_Queue*)arg; func_data.arg[0] = NULL; func_data.arg[1] = NULL; while( !LCUI_Active() ) { LCUI_MSleep(10); } while( timer_thread_active ) { Queue_Lock( timer_list ); n = Queue_GetTotal( timer_list ); for(i=0; i<n; ++i) { timer = (timer_data*)Queue_Get( timer_list , i); if( !timer ) { continue; } if( timer->state == STATE_RUN ) { break; } } Queue_Unlock( timer_list ); /* 没有要处理的定时器,停留一段时间再进行下次循环 */ if(i >= n || !timer ) { LCUI_MSleep(10); continue; } lost_ms = LCUI_GetTicks( timer->start_time ); /* 减去处于暂停状态的时长 */ lost_ms -= timer->pause_ms; /* 若流失的时间未达到总定时时长 */ if( lost_ms < timer->total_ms ) { Queue_Lock( timer_list ); n_ms = timer->total_ms - lost_ms; /* 开始睡眠 */ LCUISleeper_StartSleep( &timer_sleeper, n_ms ); Queue_Unlock( timer_list ); lost_ms = LCUI_GetTicks( timer->start_time ); lost_ms -= timer->pause_ms; if( lost_ms < timer->total_ms ) { continue; } } DEBUG_MSG("timer: %d, start_time: %I64dms, cur_time: %I64dms, cur_ms: %I64d, total_ms: %ld\n", timer->id, timer->start_time, LCUI_GetTickCount(), timer->total_ms-lost_ms, timer->total_ms); /* 准备任务数据 */ func_data.id = timer->app_id; func_data.func = (CallBackFunc)timer->callback_func; func_data.arg[0] = timer->arg; func_data.destroy_arg[0] = FALSE; /* 添加该任务至指定程序的任务队列,添加模式是覆盖 */ AppTasks_CustomAdd( ADD_MODE_REPLACE | AND_ARG_F, &func_data ); Queue_Lock( timer_list ); /* 若需要重复使用,则重置剩余等待时间 */ if( timer->reuse ) { timer->start_time = LCUI_GetTickCount(); timer->pause_ms = 0; TimerList_UpdateTimerPos( timer_list, timer ); } else { /* 否则,释放该定时器 */ LCUITimer_Free( timer->id ); } Queue_Unlock( timer_list ); } LCUIThread_Exit(NULL); }
void update_clock(void *arg) { time_t rawtime; struct tm * timeinfo; LCUI_Graph h_temp, m_temp, clock_bg, hour_pointer, minute_pointer; LCUI_Widget *widget; LCUI_Widget *bg, *hour, *minute; int h_angle, m_angle; widget = (LCUI_Widget *)arg; /* 初始化图形数据结构 */ Graph_Init(&clock_bg); Graph_Init(&minute_pointer); Graph_Init(&hour_pointer); Graph_Init(&h_temp); Graph_Init(&m_temp); /* 创建几个部件 */ bg = Widget_New("picture_box"); hour = Widget_New("picture_box"); minute = Widget_New("picture_box"); /* PictureBox部件居中显示图片 */ PictureBox_SetSizeMode(bg, SIZE_MODE_CENTER); PictureBox_SetSizeMode(hour, SIZE_MODE_CENTER); PictureBox_SetSizeMode(minute, SIZE_MODE_CENTER); /* 载入图片,保存图形数据 */ Load_Image("new_daytime_background.png", &clock_bg); Load_Image("new_daytime_hour.png", &hour_pointer); Load_Image("new_daytime_minute.png", &minute_pointer); /* 设定PictureBox部件显示的图形 */ PictureBox_SetImage(bg, &clock_bg); PictureBox_SetImage(hour, &hour_pointer); PictureBox_SetImage(minute, &minute_pointer); /* 将这些部件添加至相应容器中 */ Widget_Container_Add(bg, hour); Widget_Container_Add(bg, minute); /* 将部件添加至窗口客户区中 */ Window_ClientArea_Add(widget, bg); /* 改变部件尺寸,使用固定的尺寸 */ Widget_Resize(bg, Size(280, 280)); Widget_Resize(hour, Size(120, 120)); Widget_Resize(minute, Size(120, 120)); /* 改变部件的布局方式,都是居中显示 */ Widget_SetAlign(bg, ALIGN_MIDDLE_CENTER, Pos(0, 0)); Widget_SetAlign(hour, ALIGN_MIDDLE_CENTER, Pos(0, 0)); Widget_SetAlign(minute, ALIGN_MIDDLE_CENTER, Pos(0, 0)); /* 显示 */ Widget_Show(hour); Widget_Show(minute); Widget_Show(bg); while(1) { time ( &rawtime ); timeinfo = localtime ( &rawtime ); /* 获取系统当前时间 */ /* 计算时针分针的角度 */ h_angle = 360*timeinfo->tm_hour / 12.0; m_angle = 360*timeinfo->tm_min / 60.0; h_angle += m_angle / 60; /* 根据这个角度来旋转图形 */ Graph_Rotate(&hour_pointer, h_angle, &h_temp); Graph_Rotate(&minute_pointer, m_angle, &m_temp); /* 更改PictureBox部件显示的图形 */ PictureBox_SetImage(hour, &h_temp); PictureBox_SetImage(minute, &m_temp); LCUI_Sleep(1);/* 暂停1秒 */ } LCUIThread_Exit(NULL); }